diff --git a/requirements.txt b/requirements.txt
index b042f0a..23c9314 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ VBBinaryLensing==3.6.2
 django-storages==1.11.1
 django-htmx==1.19.0
 boto3==1.16.61
-lxml==4.9.1
+lxml==6.1.0
 pandas
 shapely==2.0.1
 healpy==1.16.5